oj.uz

Submission #698159

# Submission time Handle Problem Language Result Execution time Memory
698159 2023-02-12T17:11:04 Z Filya Kutije (COCI21_kutije) C++14
70 / 70
 180 ms 26092 KB 
/////////////////////include/////////////////////
//#include <bits/stdc++.h>
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <string>
#include <algorithm>
#include <cmath>
#include <cstring>
#include <cassert>
#include <set>
#include <map>
#include <unordered_map>
#include <vector>
#include <stack>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stdio.h>
#include <climits>
#include <numeric>
using namespace std;
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//template <typename T>
//using ordered_set = tree <T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
/////////////////////define/////////////////////
#define ci(x) if(x) cout << "YES" << '\n'; else cout << "NO" << '\n';
#define cii(x) if(check(x))
#define MOD 1000000007
#define MOD2 998244353
#define oo 1e9
#define ool 1e18L
#define pii pair<int, int>
#define pll pair<long long, long long>
#define mii map<int, int>
#define vi vector<int>
#define vpi vector<pair<int, int>>
#define vll vector <ll>
#define ff first
#define ss second
#define mp make_pair
#define ll long long
#define ld long double
#define pb push_back
#define eb emplace_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound
#define bs binary_search
#define sz(x) (int((x).size()))
#define all(x) (x).begin(), (x).end()
#define alll(x) (x), (x) + n
#define clr(x) (x).clear();
#define fri(x) for(int i = 0; i < x; ++i)
#define frj(x) for(int j = 0; j < x; ++j)
#define frp(x) for(int p = 0; p < x; ++p)
#define frr(a, b) for(int i = a; i < b; ++i)
#define frrj(a, b) for(int j = a; j < b; ++j)
#define fra(x) for(int i = 0; i < x; ++i) cin >> a[i];
#define frb(x) for(int i = 0; i < x; ++i) cin >> b[i];
#define frs(x) for(auto it = x.begin(); it != x.end(); ++it)
#define fr(x) for(auto it : x) //el
#define fastio ios_base::sync_with_stdio(false); cin.tie(0);
#define dbg(x) cerr << #x << ": " << x << endl;
#define ce(x) cout << x << endl;
#define uniq(x) x.resize(unique(all(x)) - x.begin()); //make all one after sorting
#define blt __builtin_popcount
/////////////////////print array, vector, deque, set, multiset, pair, map /////////////////////
void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(long double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {print(v[i]); cerr << " "; } cerr << "]"; cout << endl;}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(stack <T> v) {cerr << "[ "; stack<T> s = v; while(s.size()) {T i = s.top(); print(i); s.pop(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(queue <T> v) {cerr << "[ "; queue<T> s = v; while(s.size()) {T i = s.front(); print(i); s.pop(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(deque <T> v) {cerr << "[ "; deque<T> s = v; while(s.size()) {T i = s.front(); print(i); s.pop_front(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T, class V> void print(unordered_map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
/////////////////////code/////////////////////
const int N = 1005;
int a[N];
vi g[N], gr[N], topsort;
vector<pii> edge; 
bool used[N], out[N], in[N];
int color, comp[N];
void dfs(int v) {
    used[v] = 1;
    for(int u : g[v]) 
        if(!used[u]) 
            dfs(u);
    topsort.pb(v);
}
void dfs1(int v) {
    comp[v] = color;
    for(auto u: gr[v]) if(!comp[u]) dfs1(u);
}
int main() {
    fastio;
    int n, m, q, x, y;
    cin >> n >> m >> q;
    frj(m) {
        fra(n)
        fri(n) {
            x = i + 1;
            y = a[i];
            g[x].pb(y);
            gr[y].pb(x);
            edge.pb({x, y});
        }
    }
    frr(1, 1 + n) if(!used[i]) dfs(i);
    reverse(all(topsort));
    //print(topsort);
    for(auto u : topsort) //topsortum inch vor gagatic aj drvacnery hasaneli en ayd gagati koxmic
        if(!comp[u]) {
            ++color;
            dfs1(u); //ete tars koxov gnum enq aj, uremn ajic el iran karox enq gal, uremn nuyn scc i mej a
        }
    while(q--) {
        cin >> x >> y;
        if(comp[x] == comp[y]) cout << "DA" << '\n';
        else cout << "NE" << '\n';
    }
    return 0;
}

//	           ♥ ♥ ♥  ♥  ♥    ♥   ♥    ♥
//	           ♥      ♥  ♥     ♥ ♥    ♥ ♥
//	           ♥ ♥ ♥  ♥  ♥      ♥    ♥   ♥
//	           ♥      ♥  ♥      ♥   ♥ ♥ ♥ ♥
//	           ♥      ♥  ♥ ♥ ♥  ♥  ♥       ♥
//
//        God loves Fil, Fil accepts God's will

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 5744 KB Output is correct
2 Correct 75 ms 5040 KB Output is correct
3 Correct 73 ms 4684 KB Output is correct
4 Correct 89 ms 5748 KB Output is correct
5 Correct 85 ms 5772 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 2 ms 644 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 596 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 2 ms 644 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 2 ms 644 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 648 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 1 ms 644 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 5744 KB Output is correct
2 Correct 75 ms 5040 KB Output is correct
3 Correct 73 ms 4684 KB Output is correct
4 Correct 89 ms 5748 KB Output is correct
5 Correct 85 ms 5772 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 2 ms 596 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 2 ms 644 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 2 ms 596 KB Output is correct
21 Correct 1 ms 596 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 648 KB Output is correct
24 Correct 2 ms 596 KB Output is correct
25 Correct 1 ms 644 KB Output is correct
26 Correct 176 ms 26044 KB Output is correct
27 Correct 180 ms 26092 KB Output is correct
28 Correct 141 ms 22324 KB Output is correct
29 Correct 166 ms 25388 KB Output is correct
30 Correct 144 ms 22620 KB Output is correct
31 Correct 147 ms 23024 KB Output is correct
32 Correct 161 ms 25564 KB Output is correct
33 Correct 165 ms 25400 KB Output is correct
34 Correct 170 ms 25380 KB Output is correct
35 Correct 172 ms 25996 KB Output is correct